What was found
FO WX RADAR DISPLAYS "WXR RANGE DISAGREE" AT ALL SELECTED RANGES. GROUNDED-YES. VERIFY DEFECT CYCLED WXR POWER, ACCOMPLISHED B737-900 FIM 34-43 TASK 801 AND 811. WEATHER RADAR OPERATIONS CHECK NORMAL AT THIS TIME, NO FAULTS FOUND.
- Difficulty date
- November 8, 2020
- Submitted
- November 11, 2020
- Operation
- Air carrier
- Aircraft
- N403AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41730
- Aircraft time
- 30,352 hours, 9,823 cycles
- System (JASC)
- 3442 · Weather Radar System
- Part
- Warning Message
- Condition
- False Indication
- Location
- Weather Radar
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.